Least Common Multiple (LCM) of 140 and 100
The least common multiple (LCM) of 140 and 100 is 700.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 140 and 100?
First, calculate the GCD of 140 and 100 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 140 ÷ 100 = 1 remainder 40 |
| 2 | 100 ÷ 40 = 2 remainder 20 |
| 3 | 40 ÷ 20 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 33 and 51 | 561 |
| 115 and 12 | 1380 |
| 117 and 156 | 468 |
| 18 and 44 | 396 |
| 108 and 97 | 10476 |